Chapter 6: Subtraction
What is subtraction?
Taking some away from a number is subtraction. The sign for subtraction is -. For example, 5 - 2 = 3. The answer is called the difference.
Things to remember
Taking 0 away from a number leaves the same number. Taking away the same number leaves 0.
Important questions
Q1. What is 5 - 2?
3
Q2. What is 6 - 3?
3
Q3. What is 7 - 4?
3
Q4. What is 8 - 5?
3
Q5. What is 9 - 4?
5
Q6. What is 10 - 5?
5
Q7. What is 4 - 1?
3
Q8. What is 3 - 3?
0
Q9. What is 8 - 2?
6
Q10. What is 9 - 6?
3
Q11. What is 7 - 0?
7
Q12. What is 10 - 7?
3
Q13. What is 6 - 1?
5
Q14. What is 9 - 9?
0
Q15. What is 5 - 4?
1
Q16. There were 5 mangoes. 2 were eaten. How many mangoes are left?
3 mangoes
Q17. There were 8 balloons. 3 burst. How many balloons are left?
5 balloons
Q18. Out of 10 toffees, 4 were given away. How many toffees are left?
6 toffees
Q19. There were 7 birds. 2 flew away. How many birds are left?
5 birds
Q20. There were 6 pencils. 1 got lost. How many pencils are left?
5 pencils
Quiz
1. 5 - 2 = ?
5 minus 2 leaves 3.
2. 9 - 4 = ?
9 minus 4 leaves 5.
3. 10 - 5 = ?
10 minus 5 leaves 5.
4. 7 - 0 = ?
Taking 0 away from a number leaves the same number.
5. 6 - 6 = ?
Taking away the same number leaves 0.